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1223

Information - Help 
ID = 9701
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 1223
Similar Tubes
Other base:
  1221
Predecessor Tubes 6C6  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf)
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Description Octal version of 1221, low-microphonics 6C6. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
Tube Lore (I)
 
1223_sylvania.jpg
1223: My tubes
Anonymous 413 Collector

 
7r.png
1223
Emilio Ciardiello

 
1223babanidoc.png
1223: Babani 1951-1954
Patrice Zeissloff


from Just Qvigstad

Collection of a member from FIN

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